Nonwovens Glossary - INDA

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Oo Olefin fiber Any synthetic fiber made from long molecular chains of propylene, ethylene or other olefins. These fibers are used widely by the nonwovens industry in disposable and durable end-uses, which include cover stock, automotive, geotextiles, medical apparel, home furnishings and bedding. See Polypropylene fiber. Oleophilic A substance that has an affinity to oil (see Sorbent). Oleophobic Opposite to the term Oleophilic. The substance has little to no affinity for oil. On-stream See Start-up. Opener See Bale Breaker. Opening A preliminary operation whereby staple fiber is separated sufficiently from its lap or baled condition so that it can be fed to the web forming part of the process. Openness A term describing how tightly or loosely packed a collection of fibers is in any space. Optical brightener A colorless compound that contributes whiteness to fabric. It does this by absorbing the ultraviolet component of light and emitting it as visible light. Organic Compound molecules that contain one or more carbon atoms. Orientation 1. The lining up or parallelism of molecular chains in fibers and films. 2. The alignment of fibers in a nonwoven material. Oshibori A Japanese term referring to the pre-moistened hand towel (disposable or reusable) generally used before dining. Nonwovens Glossary 41
Overlap Refers to the area where the web from one pass of a crosslapper lays over the edge of the previous lay. Ozone Ozone is a gaseous, unstable form of oxygen that is composed of three atoms rather than two. Ozone is a powerful oxidizing agent and is toxic even at low levels. It is a component of smog. 42 Nonwovens Glossary
Page 1 and 2: Association of the Nonwoven Fabrics
Page 3 and 4: Graphic Design and Printing Margare
Page 5 and 6: Foreword This is the first printing
Page 7 and 8: Activated carbon A form of carbon c
Page 9 and 10: Anionic compound A chemical carryin
Page 11 and 12: Bb BLC See Barrier Leg Cuff. Back c
Page 13 and 14: Boardy The quality of stiffness in
Page 15 and 16: Carded nonwoven A nonwoven produced
Page 17 and 18: Clothing When used to describe a ca
Page 19 and 20: Cover stock A lightweight nonwoven
Page 21 and 22: Dd Decitex (Dtex) Weight in grams o
Page 23 and 24: Doffer loading Refers to fibers fir
Page 25 and 26: Ee Efficiency The ability of a filt
Page 27 and 28: Ff Fabric A sheet structure made fr
Page 29 and 30: Finish Substance added to fibers an
Page 31 and 32: Gg Garnett The garnett is a fiber p
Page 33 and 34: Hh Hammermill A device used to defi
Page 35 and 36: Ii Ignition The beginning of combus
Page 37 and 38: Kk Knitted fabric A fabric made fro
Page 39 and 40: Lint Particles and short fibers tha
Page 41 and 42: Melt blowing A nonwoven web forming
Page 43 and 44: Monomer A chemical compound that ca
Page 45: Needle board In the needlepunched t
Page 49 and 50: Physical property The response of a
Page 51 and 52: Primary backing The fabric into whi
Page 53 and 54: Rr Random laying Forming a web in s
Page 55 and 56: Ss Saturation bonding A web bonding
Page 57 and 58: Solution spinning See Dry Spinning.
Page 59 and 60: Spunlace bonding, Spunlaced bonding
Page 61 and 62: Stretch The ability of a fabric to
Page 63 and 64: TFPIA Textile Fiber Products Identi
Page 65 and 66: Uu ULPA The acronym for Ultra Low P
Page 67 and 68: Ww Warp The yarns that run in the m
Page 69: Xx, Yy, Zz Yarn A continuous strand

Nonwovens Glossary - INDA

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